19694640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:659

約数の個数: 160

約数和(自身を含む): 73566720

約数和(自身を除く): 53872080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 617, 665, 760, 798, 840, 912, 1064, 1140, 1234, 1330, 1520, 1596, 1680, 1851, 1995, 2128, 2280, 2468, 2660, 3085, 3192, 3702, 3990, 4319, 4560, 4936, 5320, 6170, 6384, 7404, 7980, 8638, 9255, 9872, 10640, 11723, 12340, 12957, 14808, 15960, 17276, 18510, 21595, 23446, 24680, 25914, 29616, 31920, 34552, 35169, 37020, 43190, 46892, 49360, 51828, 58615, 64785, 69104, 70338, 74040, 82061, 86380, 93784, 103656, 117230, 129570, 140676, 148080, 164122, 172760, 175845, 187568, 207312, 234460, 246183, 259140, 281352, 328244, 345520, 351690, 410305, 468920, 492366, 518280, 562704, 656488, 703380, 820610, 937840, 984732, 1036560, 1230915, 1312976, 1406760, 1641220, 1969464, 2461830, 2813520, 3282440, 3938928, 4923660, 6564880, 9847320, 19694640]

約数ペア:

[(1, 19694640), (2, 9847320), (3, 6564880), (4, 4923660), (5, 3938928), (6, 3282440), (7, 2813520), (8, 2461830), (10, 1969464), (12, 1641220), (14, 1406760), (15, 1312976), (16, 1230915), (19, 1036560), (20, 984732), (21, 937840), (24, 820610), (28, 703380), (30, 656488), (35, 562704), (38, 518280), (40, 492366), (42, 468920), (48, 410305), (56, 351690), (57, 345520), (60, 328244), (70, 281352), (76, 259140), (80, 246183), (84, 234460), (95, 207312), (105, 187568), (112, 175845), (114, 172760), (120, 164122), (133, 148080), (140, 140676), (152, 129570), (168, 117230), (190, 103656), (210, 93784), (228, 86380), (240, 82061), (266, 74040), (280, 70338), (285, 69104), (304, 64785), (336, 58615), (380, 51828), (399, 49360), (420, 46892), (456, 43190), (532, 37020), (560, 35169), (570, 34552), (617, 31920), (665, 29616), (760, 25914), (798, 24680), (840, 23446), (912, 21595), (1064, 18510), (1140, 17276), (1234, 15960), (1330, 14808), (1520, 12957), (1596, 12340), (1680, 11723), (1851, 10640), (1995, 9872), (2128, 9255), (2280, 8638), (2468, 7980), (2660, 7404), (3085, 6384), (3192, 6170), (3702, 5320), (3990, 4936), (4319, 4560)]