19875180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:415

約数の個数: 96

約数和(自身を含む): 60850944

約数和(自身を除く): 40975764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 83, 130, 156, 166, 195, 249, 260, 307, 332, 390, 415, 498, 614, 780, 830, 921, 996, 1079, 1228, 1245, 1535, 1660, 1842, 2158, 2490, 3070, 3237, 3684, 3991, 4316, 4605, 4980, 5395, 6140, 6474, 7982, 9210, 10790, 11973, 12948, 15964, 16185, 18420, 19955, 21580, 23946, 25481, 32370, 39910, 47892, 50962, 59865, 64740, 76443, 79820, 101924, 119730, 127405, 152886, 239460, 254810, 305772, 331253, 382215, 509620, 662506, 764430, 993759, 1325012, 1528860, 1656265, 1987518, 3312530, 3975036, 4968795, 6625060, 9937590, 19875180]

約数ペア:

[(1, 19875180), (2, 9937590), (3, 6625060), (4, 4968795), (5, 3975036), (6, 3312530), (10, 1987518), (12, 1656265), (13, 1528860), (15, 1325012), (20, 993759), (26, 764430), (30, 662506), (39, 509620), (52, 382215), (60, 331253), (65, 305772), (78, 254810), (83, 239460), (130, 152886), (156, 127405), (166, 119730), (195, 101924), (249, 79820), (260, 76443), (307, 64740), (332, 59865), (390, 50962), (415, 47892), (498, 39910), (614, 32370), (780, 25481), (830, 23946), (921, 21580), (996, 19955), (1079, 18420), (1228, 16185), (1245, 15964), (1535, 12948), (1660, 11973), (1842, 10790), (2158, 9210), (2490, 7982), (3070, 6474), (3237, 6140), (3684, 5395), (3991, 4980), (4316, 4605)]