19495320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12497}}^1$

素因数の和:12524

約数の個数: 64

約数和(自身を含む): 62989920

約数和(自身を除く): 43494600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12497, 24994, 37491, 49988, 62485, 74982, 99976, 124970, 149964, 162461, 187455, 249940, 299928, 324922, 374910, 487383, 499880, 649844, 749820, 812305, 974766, 1299688, 1499640, 1624610, 1949532, 2436915, 3249220, 3899064, 4873830, 6498440, 9747660, 19495320]

約数ペア:

[(1, 19495320), (2, 9747660), (3, 6498440), (4, 4873830), (5, 3899064), (6, 3249220), (8, 2436915), (10, 1949532), (12, 1624610), (13, 1499640), (15, 1299688), (20, 974766), (24, 812305), (26, 749820), (30, 649844), (39, 499880), (40, 487383), (52, 374910), (60, 324922), (65, 299928), (78, 249940), (104, 187455), (120, 162461), (130, 149964), (156, 124970), (195, 99976), (260, 74982), (312, 62485), (390, 49988), (520, 37491), (780, 24994), (1560, 12497)]