19256640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1543}}^1$

素因数の和:1576

約数の個数: 112

約数和(自身を含む): 65885568

約数和(自身を除く): 46628928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1543, 1560, 2080, 2496, 3086, 3120, 4160, 4629, 6172, 6240, 7715, 9258, 12344, 12480, 15430, 18516, 20059, 23145, 24688, 30860, 37032, 40118, 46290, 49376, 60177, 61720, 74064, 80236, 92580, 98752, 100295, 120354, 123440, 148128, 160472, 185160, 200590, 240708, 246880, 296256, 300885, 320944, 370320, 401180, 481416, 493760, 601770, 641888, 740640, 802360, 962832, 1203540, 1283776, 1481280, 1604720, 1925664, 2407080, 3209440, 3851328, 4814160, 6418880, 9628320, 19256640]

約数ペア:

[(1, 19256640), (2, 9628320), (3, 6418880), (4, 4814160), (5, 3851328), (6, 3209440), (8, 2407080), (10, 1925664), (12, 1604720), (13, 1481280), (15, 1283776), (16, 1203540), (20, 962832), (24, 802360), (26, 740640), (30, 641888), (32, 601770), (39, 493760), (40, 481416), (48, 401180), (52, 370320), (60, 320944), (64, 300885), (65, 296256), (78, 246880), (80, 240708), (96, 200590), (104, 185160), (120, 160472), (130, 148128), (156, 123440), (160, 120354), (192, 100295), (195, 98752), (208, 92580), (240, 80236), (260, 74064), (312, 61720), (320, 60177), (390, 49376), (416, 46290), (480, 40118), (520, 37032), (624, 30860), (780, 24688), (832, 23145), (960, 20059), (1040, 18516), (1248, 15430), (1543, 12480), (1560, 12344), (2080, 9258), (2496, 7715), (3086, 6240), (3120, 6172), (4160, 4629)]