18973680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7187}}^1$

素因数の和:7214

約数の個数: 80

約数和(自身を含む): 64174464

約数和(自身を除く): 45200784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7187, 14374, 21561, 28748, 35935, 43122, 57496, 71870, 79057, 86244, 107805, 114992, 143740, 158114, 172488, 215610, 237171, 287480, 316228, 344976, 395285, 431220, 474342, 574960, 632456, 790570, 862440, 948684, 1185855, 1264912, 1581140, 1724880, 1897368, 2371710, 3162280, 3794736, 4743420, 6324560, 9486840, 18973680]

約数ペア:

[(1, 18973680), (2, 9486840), (3, 6324560), (4, 4743420), (5, 3794736), (6, 3162280), (8, 2371710), (10, 1897368), (11, 1724880), (12, 1581140), (15, 1264912), (16, 1185855), (20, 948684), (22, 862440), (24, 790570), (30, 632456), (33, 574960), (40, 474342), (44, 431220), (48, 395285), (55, 344976), (60, 316228), (66, 287480), (80, 237171), (88, 215610), (110, 172488), (120, 158114), (132, 143740), (165, 114992), (176, 107805), (220, 86244), (240, 79057), (264, 71870), (330, 57496), (440, 43122), (528, 35935), (660, 28748), (880, 21561), (1320, 14374), (2640, 7187)]