18374611990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{52321}}^1$

素因数の和:52537

約数の個数: 64

約数和(自身を含む): 39329400960

約数和(自身を除く): 20954788970

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 173, 203, 290, 346, 406, 865, 1015, 1211, 1730, 2030, 2422, 5017, 6055, 10034, 12110, 25085, 35119, 50170, 52321, 70238, 104642, 175595, 261605, 351190, 366247, 523210, 732494, 1517309, 1831235, 3034618, 3662470, 7586545, 9051533, 10621163, 15173090, 18103066, 21242326, 45257665, 53105815, 63360731, 90515330, 106211630, 126721462, 262494457, 316803655, 524988914, 633607310, 1312472285, 1837461199, 2624944570, 3674922398, 9187305995, 18374611990]

約数ペア:

[(1, 18374611990), (2, 9187305995), (5, 3674922398), (7, 2624944570), (10, 1837461199), (14, 1312472285), (29, 633607310), (35, 524988914), (58, 316803655), (70, 262494457), (145, 126721462), (173, 106211630), (203, 90515330), (290, 63360731), (346, 53105815), (406, 45257665), (865, 21242326), (1015, 18103066), (1211, 15173090), (1730, 10621163), (2030, 9051533), (2422, 7586545), (5017, 3662470), (6055, 3034618), (10034, 1831235), (12110, 1517309), (25085, 732494), (35119, 523210), (50170, 366247), (52321, 351190), (70238, 261605), (104642, 175595)]