18866940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:431

約数の個数: 96

約数和(自身を含む): 57153600

約数和(自身を除く): 38286660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 53, 60, 68, 85, 102, 106, 159, 170, 204, 212, 255, 265, 318, 340, 349, 510, 530, 636, 698, 795, 901, 1020, 1047, 1060, 1396, 1590, 1745, 1802, 2094, 2703, 3180, 3490, 3604, 4188, 4505, 5235, 5406, 5933, 6980, 9010, 10470, 10812, 11866, 13515, 17799, 18020, 18497, 20940, 23732, 27030, 29665, 35598, 36994, 54060, 55491, 59330, 71196, 73988, 88995, 92485, 110982, 118660, 177990, 184970, 221964, 277455, 314449, 355980, 369940, 554910, 628898, 943347, 1109820, 1257796, 1572245, 1886694, 3144490, 3773388, 4716735, 6288980, 9433470, 18866940]

約数ペア:

[(1, 18866940), (2, 9433470), (3, 6288980), (4, 4716735), (5, 3773388), (6, 3144490), (10, 1886694), (12, 1572245), (15, 1257796), (17, 1109820), (20, 943347), (30, 628898), (34, 554910), (51, 369940), (53, 355980), (60, 314449), (68, 277455), (85, 221964), (102, 184970), (106, 177990), (159, 118660), (170, 110982), (204, 92485), (212, 88995), (255, 73988), (265, 71196), (318, 59330), (340, 55491), (349, 54060), (510, 36994), (530, 35598), (636, 29665), (698, 27030), (795, 23732), (901, 20940), (1020, 18497), (1047, 18020), (1060, 17799), (1396, 13515), (1590, 11866), (1745, 10812), (1802, 10470), (2094, 9010), (2703, 6980), (3180, 5933), (3490, 5406), (3604, 5235), (4188, 4505)]