19085460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 55385568

約数和(自身を除く): 36300108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 331, 372, 465, 620, 662, 930, 961, 993, 1324, 1655, 1860, 1922, 1986, 2883, 3310, 3844, 3972, 4805, 4965, 5766, 6620, 9610, 9930, 10261, 11532, 14415, 19220, 19860, 20522, 28830, 30783, 41044, 51305, 57660, 61566, 102610, 123132, 153915, 205220, 307830, 318091, 615660, 636182, 954273, 1272364, 1590455, 1908546, 3180910, 3817092, 4771365, 6361820, 9542730, 19085460]

約数ペア:

[(1, 19085460), (2, 9542730), (3, 6361820), (4, 4771365), (5, 3817092), (6, 3180910), (10, 1908546), (12, 1590455), (15, 1272364), (20, 954273), (30, 636182), (31, 615660), (60, 318091), (62, 307830), (93, 205220), (124, 153915), (155, 123132), (186, 102610), (310, 61566), (331, 57660), (372, 51305), (465, 41044), (620, 30783), (662, 28830), (930, 20522), (961, 19860), (993, 19220), (1324, 14415), (1655, 11532), (1860, 10261), (1922, 9930), (1986, 9610), (2883, 6620), (3310, 5766), (3844, 4965), (3972, 4805)]