19637800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 57183840

約数和(自身を除く): 37546040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 83, 91, 100, 104, 130, 140, 166, 169, 175, 182, 200, 260, 280, 325, 332, 338, 350, 364, 415, 455, 520, 581, 650, 664, 676, 700, 728, 830, 845, 910, 1079, 1162, 1183, 1300, 1352, 1400, 1660, 1690, 1820, 2075, 2158, 2275, 2324, 2366, 2600, 2905, 3320, 3380, 3640, 4150, 4225, 4316, 4550, 4648, 4732, 5395, 5810, 5915, 6760, 7553, 8300, 8450, 8632, 9100, 9464, 10790, 11620, 11830, 14027, 14525, 15106, 16600, 16900, 18200, 21580, 23240, 23660, 26975, 28054, 29050, 29575, 30212, 33800, 37765, 43160, 47320, 53950, 56108, 58100, 59150, 60424, 70135, 75530, 98189, 107900, 112216, 116200, 118300, 140270, 151060, 188825, 196378, 215800, 236600, 280540, 302120, 350675, 377650, 392756, 490945, 561080, 701350, 755300, 785512, 981890, 1402700, 1510600, 1963780, 2454725, 2805400, 3927560, 4909450, 9818900, 19637800]

約数ペア:

[(1, 19637800), (2, 9818900), (4, 4909450), (5, 3927560), (7, 2805400), (8, 2454725), (10, 1963780), (13, 1510600), (14, 1402700), (20, 981890), (25, 785512), (26, 755300), (28, 701350), (35, 561080), (40, 490945), (50, 392756), (52, 377650), (56, 350675), (65, 302120), (70, 280540), (83, 236600), (91, 215800), (100, 196378), (104, 188825), (130, 151060), (140, 140270), (166, 118300), (169, 116200), (175, 112216), (182, 107900), (200, 98189), (260, 75530), (280, 70135), (325, 60424), (332, 59150), (338, 58100), (350, 56108), (364, 53950), (415, 47320), (455, 43160), (520, 37765), (581, 33800), (650, 30212), (664, 29575), (676, 29050), (700, 28054), (728, 26975), (830, 23660), (845, 23240), (910, 21580), (1079, 18200), (1162, 16900), (1183, 16600), (1300, 15106), (1352, 14525), (1400, 14027), (1660, 11830), (1690, 11620), (1820, 10790), (2075, 9464), (2158, 9100), (2275, 8632), (2324, 8450), (2366, 8300), (2600, 7553), (2905, 6760), (3320, 5915), (3380, 5810), (3640, 5395), (4150, 4732), (4225, 4648), (4316, 4550)]