19480980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 58786560

約数和(自身を除く): 39305580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 71, 85, 102, 142, 170, 204, 213, 255, 269, 284, 340, 355, 426, 510, 538, 710, 807, 852, 1020, 1065, 1076, 1207, 1345, 1420, 1614, 2130, 2414, 2690, 3228, 3621, 4035, 4260, 4573, 4828, 5380, 6035, 7242, 8070, 9146, 12070, 13719, 14484, 16140, 18105, 18292, 19099, 22865, 24140, 27438, 36210, 38198, 45730, 54876, 57297, 68595, 72420, 76396, 91460, 95495, 114594, 137190, 190990, 229188, 274380, 286485, 324683, 381980, 572970, 649366, 974049, 1145940, 1298732, 1623415, 1948098, 3246830, 3896196, 4870245, 6493660, 9740490, 19480980]

約数ペア:

[(1, 19480980), (2, 9740490), (3, 6493660), (4, 4870245), (5, 3896196), (6, 3246830), (10, 1948098), (12, 1623415), (15, 1298732), (17, 1145940), (20, 974049), (30, 649366), (34, 572970), (51, 381980), (60, 324683), (68, 286485), (71, 274380), (85, 229188), (102, 190990), (142, 137190), (170, 114594), (204, 95495), (213, 91460), (255, 76396), (269, 72420), (284, 68595), (340, 57297), (355, 54876), (426, 45730), (510, 38198), (538, 36210), (710, 27438), (807, 24140), (852, 22865), (1020, 19099), (1065, 18292), (1076, 18105), (1207, 16140), (1345, 14484), (1420, 13719), (1614, 12070), (2130, 9146), (2414, 8070), (2690, 7242), (3228, 6035), (3621, 5380), (4035, 4828), (4260, 4573)]