18948020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:417

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 31855180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 52, 58, 65, 70, 91, 116, 130, 140, 145, 182, 203, 260, 290, 359, 364, 377, 406, 455, 580, 718, 754, 812, 910, 1015, 1436, 1508, 1795, 1820, 1885, 2030, 2513, 2639, 3590, 3770, 4060, 4667, 5026, 5278, 7180, 7540, 9334, 10052, 10411, 10556, 12565, 13195, 18668, 20822, 23335, 25130, 26390, 32669, 41644, 46670, 50260, 52055, 52780, 65338, 72877, 93340, 104110, 130676, 135343, 145754, 163345, 208220, 270686, 291508, 326690, 364385, 541372, 653380, 676715, 728770, 947401, 1353430, 1457540, 1894802, 2706860, 3789604, 4737005, 9474010, 18948020]

約数ペア:

[(1, 18948020), (2, 9474010), (4, 4737005), (5, 3789604), (7, 2706860), (10, 1894802), (13, 1457540), (14, 1353430), (20, 947401), (26, 728770), (28, 676715), (29, 653380), (35, 541372), (52, 364385), (58, 326690), (65, 291508), (70, 270686), (91, 208220), (116, 163345), (130, 145754), (140, 135343), (145, 130676), (182, 104110), (203, 93340), (260, 72877), (290, 65338), (359, 52780), (364, 52055), (377, 50260), (406, 46670), (455, 41644), (580, 32669), (718, 26390), (754, 25130), (812, 23335), (910, 20822), (1015, 18668), (1436, 13195), (1508, 12565), (1795, 10556), (1820, 10411), (1885, 10052), (2030, 9334), (2513, 7540), (2639, 7180), (3590, 5278), (3770, 5026), (4060, 4667)]