18994300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{769}}^1$

素因数の和:815

約数の個数: 72

約数和(自身を含む): 46785200

約数和(自身を除く): 27790900

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 769, 950, 988, 1235, 1300, 1538, 1900, 2470, 3076, 3845, 4940, 6175, 7690, 9997, 12350, 14611, 15380, 19225, 19994, 24700, 29222, 38450, 39988, 49985, 58444, 73055, 76900, 99970, 146110, 189943, 199940, 249925, 292220, 365275, 379886, 499850, 730550, 759772, 949715, 999700, 1461100, 1899430, 3798860, 4748575, 9497150, 18994300]

約数ペア:

[(1, 18994300), (2, 9497150), (4, 4748575), (5, 3798860), (10, 1899430), (13, 1461100), (19, 999700), (20, 949715), (25, 759772), (26, 730550), (38, 499850), (50, 379886), (52, 365275), (65, 292220), (76, 249925), (95, 199940), (100, 189943), (130, 146110), (190, 99970), (247, 76900), (260, 73055), (325, 58444), (380, 49985), (475, 39988), (494, 38450), (650, 29222), (769, 24700), (950, 19994), (988, 19225), (1235, 15380), (1300, 14611), (1538, 12350), (1900, 9997), (2470, 7690), (3076, 6175), (3845, 4940)]