18952960

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 52538976

約数和(自身を除く): 33586016

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 67, 68, 80, 85, 104, 128, 130, 134, 136, 160, 170, 208, 221, 256, 260, 268, 272, 320, 335, 340, 416, 442, 520, 536, 544, 640, 670, 680, 832, 871, 884, 1040, 1072, 1088, 1105, 1139, 1280, 1340, 1360, 1664, 1742, 1768, 2080, 2144, 2176, 2210, 2278, 2680, 2720, 3328, 3484, 3536, 4160, 4288, 4352, 4355, 4420, 4556, 5360, 5440, 5695, 6968, 7072, 8320, 8576, 8710, 8840, 9112, 10720, 10880, 11390, 13936, 14144, 14807, 16640, 17152, 17420, 17680, 18224, 21440, 21760, 22780, 27872, 28288, 29614, 34840, 35360, 36448, 42880, 45560, 55744, 56576, 59228, 69680, 70720, 72896, 74035, 85760, 91120, 111488, 118456, 139360, 141440, 145792, 148070, 182240, 222976, 236912, 278720, 282880, 291584, 296140, 364480, 473824, 557440, 592280, 728960, 947648, 1114880, 1184560, 1457920, 1895296, 2369120, 3790592, 4738240, 9476480, 18952960]

約数ペア:

[(1, 18952960), (2, 9476480), (4, 4738240), (5, 3790592), (8, 2369120), (10, 1895296), (13, 1457920), (16, 1184560), (17, 1114880), (20, 947648), (26, 728960), (32, 592280), (34, 557440), (40, 473824), (52, 364480), (64, 296140), (65, 291584), (67, 282880), (68, 278720), (80, 236912), (85, 222976), (104, 182240), (128, 148070), (130, 145792), (134, 141440), (136, 139360), (160, 118456), (170, 111488), (208, 91120), (221, 85760), (256, 74035), (260, 72896), (268, 70720), (272, 69680), (320, 59228), (335, 56576), (340, 55744), (416, 45560), (442, 42880), (520, 36448), (536, 35360), (544, 34840), (640, 29614), (670, 28288), (680, 27872), (832, 22780), (871, 21760), (884, 21440), (1040, 18224), (1072, 17680), (1088, 17420), (1105, 17152), (1139, 16640), (1280, 14807), (1340, 14144), (1360, 13936), (1664, 11390), (1742, 10880), (1768, 10720), (2080, 9112), (2144, 8840), (2176, 8710), (2210, 8576), (2278, 8320), (2680, 7072), (2720, 6968), (3328, 5695), (3484, 5440), (3536, 5360), (4160, 4556), (4288, 4420), (4352, 4355)]