19254826240

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{2221}}^1$

素因数の和:2776

約数の個数: 144

約数和(自身を含む): 49786860816

約数和(自身を除く): 30532034576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 521, 640, 832, 1040, 1042, 1280, 1664, 2080, 2084, 2221, 2605, 3328, 4160, 4168, 4442, 5210, 6773, 8320, 8336, 8884, 10420, 11105, 13546, 16640, 16672, 17768, 20840, 22210, 27092, 28873, 33344, 33865, 35536, 41680, 44420, 54184, 57746, 66688, 67730, 71072, 83360, 88840, 108368, 115492, 133376, 135460, 142144, 144365, 166720, 177680, 216736, 230984, 270920, 284288, 288730, 333440, 355360, 433472, 461968, 541840, 568576, 577460, 666880, 710720, 866944, 923936, 1083680, 1154920, 1157141, 1421440, 1733888, 1847872, 2167360, 2309840, 2314282, 2842880, 3695744, 4334720, 4619680, 4628564, 5785705, 7391488, 8669440, 9239360, 9257128, 11571410, 15042833, 18478720, 18514256, 23142820, 30085666, 36957440, 37028512, 46285640, 60171332, 74057024, 75214165, 92571280, 120342664, 148114048, 150428330, 185142560, 240685328, 296228096, 300856660, 370285120, 481370656, 601713320, 740570240, 962741312, 1203426640, 1481140480, 1925482624, 2406853280, 3850965248, 4813706560, 9627413120, 19254826240]

約数ペア:

[(1, 19254826240), (2, 9627413120), (4, 4813706560), (5, 3850965248), (8, 2406853280), (10, 1925482624), (13, 1481140480), (16, 1203426640), (20, 962741312), (26, 740570240), (32, 601713320), (40, 481370656), (52, 370285120), (64, 300856660), (65, 296228096), (80, 240685328), (104, 185142560), (128, 150428330), (130, 148114048), (160, 120342664), (208, 92571280), (256, 75214165), (260, 74057024), (320, 60171332), (416, 46285640), (520, 37028512), (521, 36957440), (640, 30085666), (832, 23142820), (1040, 18514256), (1042, 18478720), (1280, 15042833), (1664, 11571410), (2080, 9257128), (2084, 9239360), (2221, 8669440), (2605, 7391488), (3328, 5785705), (4160, 4628564), (4168, 4619680), (4442, 4334720), (5210, 3695744), (6773, 2842880), (8320, 2314282), (8336, 2309840), (8884, 2167360), (10420, 1847872), (11105, 1733888), (13546, 1421440), (16640, 1157141), (16672, 1154920), (17768, 1083680), (20840, 923936), (22210, 866944), (27092, 710720), (28873, 666880), (33344, 577460), (33865, 568576), (35536, 541840), (41680, 461968), (44420, 433472), (54184, 355360), (57746, 333440), (66688, 288730), (67730, 284288), (71072, 270920), (83360, 230984), (88840, 216736), (108368, 177680), (115492, 166720), (133376, 144365), (135460, 142144)]