19964230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:661

約数の個数: 64

約数和(自身を含む): 44126208

約数和(自身を除く): 24161978

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 26, 46, 55, 65, 110, 115, 130, 143, 230, 253, 286, 299, 506, 598, 607, 715, 1214, 1265, 1430, 1495, 2530, 2990, 3035, 3289, 6070, 6578, 6677, 7891, 13354, 13961, 15782, 16445, 27922, 32890, 33385, 39455, 66770, 69805, 78910, 86801, 139610, 153571, 173602, 181493, 307142, 362986, 434005, 767855, 868010, 907465, 1535710, 1814930, 1996423, 3992846, 9982115, 19964230]

約数ペア:

[(1, 19964230), (2, 9982115), (5, 3992846), (10, 1996423), (11, 1814930), (13, 1535710), (22, 907465), (23, 868010), (26, 767855), (46, 434005), (55, 362986), (65, 307142), (110, 181493), (115, 173602), (130, 153571), (143, 139610), (230, 86801), (253, 78910), (286, 69805), (299, 66770), (506, 39455), (598, 33385), (607, 32890), (715, 27922), (1214, 16445), (1265, 15782), (1430, 13961), (1495, 13354), (2530, 7891), (2990, 6677), (3035, 6578), (3289, 6070)]