18736900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 52496640

約数和(自身を除く): 33759740

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 29, 35, 50, 52, 58, 65, 70, 71, 91, 100, 116, 130, 140, 142, 145, 175, 182, 203, 260, 284, 290, 325, 350, 355, 364, 377, 406, 455, 497, 580, 650, 700, 710, 725, 754, 812, 910, 923, 994, 1015, 1300, 1420, 1450, 1508, 1775, 1820, 1846, 1885, 1988, 2030, 2059, 2275, 2485, 2639, 2900, 3550, 3692, 3770, 4060, 4118, 4550, 4615, 4970, 5075, 5278, 6461, 7100, 7540, 8236, 9100, 9230, 9425, 9940, 10150, 10295, 10556, 12425, 12922, 13195, 14413, 18460, 18850, 20300, 20590, 23075, 24850, 25844, 26390, 26767, 28826, 32305, 37700, 41180, 46150, 49700, 51475, 52780, 53534, 57652, 64610, 65975, 72065, 92300, 102950, 107068, 129220, 131950, 133835, 144130, 161525, 187369, 205900, 263900, 267670, 288260, 323050, 360325, 374738, 535340, 646100, 669175, 720650, 749476, 936845, 1338350, 1441300, 1873690, 2676700, 3747380, 4684225, 9368450, 18736900]

約数ペア:

[(1, 18736900), (2, 9368450), (4, 4684225), (5, 3747380), (7, 2676700), (10, 1873690), (13, 1441300), (14, 1338350), (20, 936845), (25, 749476), (26, 720650), (28, 669175), (29, 646100), (35, 535340), (50, 374738), (52, 360325), (58, 323050), (65, 288260), (70, 267670), (71, 263900), (91, 205900), (100, 187369), (116, 161525), (130, 144130), (140, 133835), (142, 131950), (145, 129220), (175, 107068), (182, 102950), (203, 92300), (260, 72065), (284, 65975), (290, 64610), (325, 57652), (350, 53534), (355, 52780), (364, 51475), (377, 49700), (406, 46150), (455, 41180), (497, 37700), (580, 32305), (650, 28826), (700, 26767), (710, 26390), (725, 25844), (754, 24850), (812, 23075), (910, 20590), (923, 20300), (994, 18850), (1015, 18460), (1300, 14413), (1420, 13195), (1450, 12922), (1508, 12425), (1775, 10556), (1820, 10295), (1846, 10150), (1885, 9940), (1988, 9425), (2030, 9230), (2059, 9100), (2275, 8236), (2485, 7540), (2639, 7100), (2900, 6461), (3550, 5278), (3692, 5075), (3770, 4970), (4060, 4615), (4118, 4550)]