19898550

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{6317}}^1$

素因数の和:6342

約数の個数: 72

約数和(自身を含む): 61107696

約数和(自身を除く): 41209146

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 6317, 12634, 18951, 31585, 37902, 44219, 56853, 63170, 88438, 94755, 113706, 132657, 157925, 189510, 221095, 265314, 284265, 315850, 397971, 442190, 473775, 568530, 663285, 795942, 947550, 1105475, 1326570, 1421325, 1989855, 2210950, 2842650, 3316425, 3979710, 6632850, 9949275, 19898550]

約数ペア:

[(1, 19898550), (2, 9949275), (3, 6632850), (5, 3979710), (6, 3316425), (7, 2842650), (9, 2210950), (10, 1989855), (14, 1421325), (15, 1326570), (18, 1105475), (21, 947550), (25, 795942), (30, 663285), (35, 568530), (42, 473775), (45, 442190), (50, 397971), (63, 315850), (70, 284265), (75, 265314), (90, 221095), (105, 189510), (126, 157925), (150, 132657), (175, 113706), (210, 94755), (225, 88438), (315, 63170), (350, 56853), (450, 44219), (525, 37902), (630, 31585), (1050, 18951), (1575, 12634), (3150, 6317)]