19932360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:471

約数の個数: 128

約数和(自身を含む): 69638400

約数和(自身を除く): 49706040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 389, 420, 427, 488, 610, 732, 778, 840, 854, 915, 1167, 1220, 1281, 1464, 1556, 1708, 1830, 1945, 2135, 2334, 2440, 2562, 2723, 3112, 3416, 3660, 3890, 4270, 4668, 5124, 5446, 5835, 6405, 7320, 7780, 8169, 8540, 9336, 10248, 10892, 11670, 12810, 13615, 15560, 16338, 17080, 21784, 23340, 23729, 25620, 27230, 32676, 40845, 46680, 47458, 51240, 54460, 65352, 71187, 81690, 94916, 108920, 118645, 142374, 163380, 166103, 189832, 237290, 284748, 326760, 332206, 355935, 474580, 498309, 569496, 664412, 711870, 830515, 949160, 996618, 1328824, 1423740, 1661030, 1993236, 2491545, 2847480, 3322060, 3986472, 4983090, 6644120, 9966180, 19932360]

約数ペア:

[(1, 19932360), (2, 9966180), (3, 6644120), (4, 4983090), (5, 3986472), (6, 3322060), (7, 2847480), (8, 2491545), (10, 1993236), (12, 1661030), (14, 1423740), (15, 1328824), (20, 996618), (21, 949160), (24, 830515), (28, 711870), (30, 664412), (35, 569496), (40, 498309), (42, 474580), (56, 355935), (60, 332206), (61, 326760), (70, 284748), (84, 237290), (105, 189832), (120, 166103), (122, 163380), (140, 142374), (168, 118645), (183, 108920), (210, 94916), (244, 81690), (280, 71187), (305, 65352), (366, 54460), (389, 51240), (420, 47458), (427, 46680), (488, 40845), (610, 32676), (732, 27230), (778, 25620), (840, 23729), (854, 23340), (915, 21784), (1167, 17080), (1220, 16338), (1281, 15560), (1464, 13615), (1556, 12810), (1708, 11670), (1830, 10892), (1945, 10248), (2135, 9336), (2334, 8540), (2440, 8169), (2562, 7780), (2723, 7320), (3112, 6405), (3416, 5835), (3660, 5446), (3890, 5124), (4270, 4668)]