19887660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2833}}^1$

素因数の和:2864

約数の個数: 96

約数和(自身を含む): 66655680

約数和(自身を除く): 46768020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 2833, 3510, 5666, 7020, 8499, 11332, 14165, 16998, 25497, 28330, 33996, 36829, 42495, 50994, 56660, 73658, 76491, 84990, 101988, 110487, 127485, 147316, 152982, 169980, 184145, 220974, 254970, 305964, 331461, 368290, 382455, 441948, 509940, 552435, 662922, 736580, 764910, 994383, 1104870, 1325844, 1529820, 1657305, 1988766, 2209740, 3314610, 3977532, 4971915, 6629220, 9943830, 19887660]

約数ペア:

[(1, 19887660), (2, 9943830), (3, 6629220), (4, 4971915), (5, 3977532), (6, 3314610), (9, 2209740), (10, 1988766), (12, 1657305), (13, 1529820), (15, 1325844), (18, 1104870), (20, 994383), (26, 764910), (27, 736580), (30, 662922), (36, 552435), (39, 509940), (45, 441948), (52, 382455), (54, 368290), (60, 331461), (65, 305964), (78, 254970), (90, 220974), (108, 184145), (117, 169980), (130, 152982), (135, 147316), (156, 127485), (180, 110487), (195, 101988), (234, 84990), (260, 76491), (270, 73658), (351, 56660), (390, 50994), (468, 42495), (540, 36829), (585, 33996), (702, 28330), (780, 25497), (1170, 16998), (1404, 14165), (1755, 11332), (2340, 8499), (2833, 7020), (3510, 5666)]