18959460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 57953280

約数和(自身を除く): 38993820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 109, 130, 156, 195, 218, 223, 260, 327, 390, 436, 446, 545, 654, 669, 780, 892, 1090, 1115, 1308, 1338, 1417, 1635, 2180, 2230, 2676, 2834, 2899, 3270, 3345, 4251, 4460, 5668, 5798, 6540, 6690, 7085, 8502, 8697, 11596, 13380, 14170, 14495, 17004, 17394, 21255, 24307, 28340, 28990, 34788, 42510, 43485, 48614, 57980, 72921, 85020, 86970, 97228, 121535, 145842, 173940, 243070, 291684, 315991, 364605, 486140, 631982, 729210, 947973, 1263964, 1458420, 1579955, 1895946, 3159910, 3791892, 4739865, 6319820, 9479730, 18959460]

約数ペア:

[(1, 18959460), (2, 9479730), (3, 6319820), (4, 4739865), (5, 3791892), (6, 3159910), (10, 1895946), (12, 1579955), (13, 1458420), (15, 1263964), (20, 947973), (26, 729210), (30, 631982), (39, 486140), (52, 364605), (60, 315991), (65, 291684), (78, 243070), (109, 173940), (130, 145842), (156, 121535), (195, 97228), (218, 86970), (223, 85020), (260, 72921), (327, 57980), (390, 48614), (436, 43485), (446, 42510), (545, 34788), (654, 28990), (669, 28340), (780, 24307), (892, 21255), (1090, 17394), (1115, 17004), (1308, 14495), (1338, 14170), (1417, 13380), (1635, 11596), (2180, 8697), (2230, 8502), (2676, 7085), (2834, 6690), (2899, 6540), (3270, 5798), (3345, 5668), (4251, 4460)]