19863888

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2213}}^1$

素因数の和:2252

約数の個数: 80

約数和(自身を含む): 59299776

約数和(自身を除く): 39435888

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 33, 34, 44, 48, 51, 66, 68, 88, 102, 132, 136, 176, 187, 204, 264, 272, 374, 408, 528, 561, 748, 816, 1122, 1496, 2213, 2244, 2992, 4426, 4488, 6639, 8852, 8976, 13278, 17704, 24343, 26556, 35408, 37621, 48686, 53112, 73029, 75242, 97372, 106224, 112863, 146058, 150484, 194744, 225726, 292116, 300968, 389488, 413831, 451452, 584232, 601936, 827662, 902904, 1168464, 1241493, 1655324, 1805808, 2482986, 3310648, 4965972, 6621296, 9931944, 19863888]

約数ペア:

[(1, 19863888), (2, 9931944), (3, 6621296), (4, 4965972), (6, 3310648), (8, 2482986), (11, 1805808), (12, 1655324), (16, 1241493), (17, 1168464), (22, 902904), (24, 827662), (33, 601936), (34, 584232), (44, 451452), (48, 413831), (51, 389488), (66, 300968), (68, 292116), (88, 225726), (102, 194744), (132, 150484), (136, 146058), (176, 112863), (187, 106224), (204, 97372), (264, 75242), (272, 73029), (374, 53112), (408, 48686), (528, 37621), (561, 35408), (748, 26556), (816, 24343), (1122, 17704), (1496, 13278), (2213, 8976), (2244, 8852), (2992, 6639), (4426, 4488)]