16220072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 35640000

約数和(自身を除く): 19419928

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 89, 109, 152, 178, 209, 218, 356, 418, 436, 712, 836, 872, 979, 1199, 1672, 1691, 1958, 2071, 2398, 3382, 3916, 4142, 4796, 6764, 7832, 8284, 9592, 9701, 13528, 16568, 18601, 19402, 22781, 37202, 38804, 45562, 74404, 77608, 91124, 106711, 148808, 182248, 184319, 213422, 368638, 426844, 737276, 853688, 1474552, 2027509, 4055018, 8110036, 16220072]

約数ペア:

[(1, 16220072), (2, 8110036), (4, 4055018), (8, 2027509), (11, 1474552), (19, 853688), (22, 737276), (38, 426844), (44, 368638), (76, 213422), (88, 184319), (89, 182248), (109, 148808), (152, 106711), (178, 91124), (209, 77608), (218, 74404), (356, 45562), (418, 38804), (436, 37202), (712, 22781), (836, 19402), (872, 18601), (979, 16568), (1199, 13528), (1672, 9701), (1691, 9592), (1958, 8284), (2071, 7832), (2398, 6764), (3382, 4796), (3916, 4142)]