19772480

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1$

素因数の和:141

約数の個数: 168

約数和(自身を含む): 59591448

約数和(自身を除く): 39818968

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 97, 98, 104, 112, 130, 140, 160, 182, 194, 196, 208, 224, 245, 260, 280, 320, 364, 388, 392, 416, 448, 455, 485, 490, 520, 560, 637, 679, 728, 776, 784, 832, 910, 970, 980, 1040, 1120, 1261, 1274, 1358, 1456, 1552, 1568, 1820, 1940, 1960, 2080, 2240, 2522, 2548, 2716, 2912, 3104, 3136, 3185, 3395, 3640, 3880, 3920, 4160, 4753, 5044, 5096, 5432, 5824, 6208, 6305, 6370, 6790, 7280, 7760, 7840, 8827, 9506, 10088, 10192, 10864, 12610, 12740, 13580, 14560, 15520, 15680, 17654, 19012, 20176, 20384, 21728, 23765, 25220, 25480, 27160, 29120, 31040, 35308, 38024, 40352, 40768, 43456, 44135, 47530, 50440, 50960, 54320, 61789, 70616, 76048, 80704, 88270, 95060, 100880, 101920, 108640, 123578, 141232, 152096, 176540, 190120, 201760, 203840, 217280, 247156, 282464, 304192, 308945, 353080, 380240, 403520, 494312, 564928, 617890, 706160, 760480, 988624, 1235780, 1412320, 1520960, 1977248, 2471560, 2824640, 3954496, 4943120, 9886240, 19772480]

約数ペア:

[(1, 19772480), (2, 9886240), (4, 4943120), (5, 3954496), (7, 2824640), (8, 2471560), (10, 1977248), (13, 1520960), (14, 1412320), (16, 1235780), (20, 988624), (26, 760480), (28, 706160), (32, 617890), (35, 564928), (40, 494312), (49, 403520), (52, 380240), (56, 353080), (64, 308945), (65, 304192), (70, 282464), (80, 247156), (91, 217280), (97, 203840), (98, 201760), (104, 190120), (112, 176540), (130, 152096), (140, 141232), (160, 123578), (182, 108640), (194, 101920), (196, 100880), (208, 95060), (224, 88270), (245, 80704), (260, 76048), (280, 70616), (320, 61789), (364, 54320), (388, 50960), (392, 50440), (416, 47530), (448, 44135), (455, 43456), (485, 40768), (490, 40352), (520, 38024), (560, 35308), (637, 31040), (679, 29120), (728, 27160), (776, 25480), (784, 25220), (832, 23765), (910, 21728), (970, 20384), (980, 20176), (1040, 19012), (1120, 17654), (1261, 15680), (1274, 15520), (1358, 14560), (1456, 13580), (1552, 12740), (1568, 12610), (1820, 10864), (1940, 10192), (1960, 10088), (2080, 9506), (2240, 8827), (2522, 7840), (2548, 7760), (2716, 7280), (2912, 6790), (3104, 6370), (3136, 6305), (3185, 6208), (3395, 5824), (3640, 5432), (3880, 5096), (3920, 5044), (4160, 4753)]