17541940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 43182720

約数和(自身を除く): 25640780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 53, 65, 67, 76, 95, 106, 130, 134, 190, 212, 247, 260, 265, 268, 335, 380, 494, 530, 670, 689, 871, 988, 1007, 1060, 1235, 1273, 1340, 1378, 1742, 2014, 2470, 2546, 2756, 3445, 3484, 3551, 4028, 4355, 4940, 5035, 5092, 6365, 6890, 7102, 8710, 10070, 12730, 13091, 13780, 14204, 16549, 17420, 17755, 20140, 25460, 26182, 33098, 35510, 46163, 52364, 65455, 66196, 67469, 71020, 82745, 92326, 130910, 134938, 165490, 184652, 230815, 261820, 269876, 330980, 337345, 461630, 674690, 877097, 923260, 1349380, 1754194, 3508388, 4385485, 8770970, 17541940]

約数ペア:

[(1, 17541940), (2, 8770970), (4, 4385485), (5, 3508388), (10, 1754194), (13, 1349380), (19, 923260), (20, 877097), (26, 674690), (38, 461630), (52, 337345), (53, 330980), (65, 269876), (67, 261820), (76, 230815), (95, 184652), (106, 165490), (130, 134938), (134, 130910), (190, 92326), (212, 82745), (247, 71020), (260, 67469), (265, 66196), (268, 65455), (335, 52364), (380, 46163), (494, 35510), (530, 33098), (670, 26182), (689, 25460), (871, 20140), (988, 17755), (1007, 17420), (1060, 16549), (1235, 14204), (1273, 13780), (1340, 13091), (1378, 12730), (1742, 10070), (2014, 8710), (2470, 7102), (2546, 6890), (2756, 6365), (3445, 5092), (3484, 5035), (3551, 4940), (4028, 4355)]