19829910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1053

約数の個数: 64

約数和(自身を含む): 51425280

約数和(自身を除く): 31595370

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 29, 30, 46, 58, 69, 87, 115, 138, 145, 174, 230, 290, 345, 435, 667, 690, 870, 991, 1334, 1982, 2001, 2973, 3335, 4002, 4955, 5946, 6670, 9910, 10005, 14865, 20010, 22793, 28739, 29730, 45586, 57478, 68379, 86217, 113965, 136758, 143695, 172434, 227930, 287390, 341895, 431085, 660997, 683790, 862170, 1321994, 1982991, 3304985, 3965982, 6609970, 9914955, 19829910]

約数ペア:

[(1, 19829910), (2, 9914955), (3, 6609970), (5, 3965982), (6, 3304985), (10, 1982991), (15, 1321994), (23, 862170), (29, 683790), (30, 660997), (46, 431085), (58, 341895), (69, 287390), (87, 227930), (115, 172434), (138, 143695), (145, 136758), (174, 113965), (230, 86217), (290, 68379), (345, 57478), (435, 45586), (667, 29730), (690, 28739), (870, 22793), (991, 20010), (1334, 14865), (1982, 10005), (2001, 9910), (2973, 6670), (3335, 5946), (4002, 4955)]