19145920

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:150

約数の個数: 112

約数和(自身を含む): 49743360

約数和(自身を除く): 30597440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 64, 67, 76, 80, 94, 95, 134, 152, 160, 188, 190, 235, 268, 304, 320, 335, 376, 380, 470, 536, 608, 670, 752, 760, 893, 940, 1072, 1216, 1273, 1340, 1504, 1520, 1786, 1880, 2144, 2546, 2680, 3008, 3040, 3149, 3572, 3760, 4288, 4465, 5092, 5360, 6080, 6298, 6365, 7144, 7520, 8930, 10184, 10720, 12596, 12730, 14288, 15040, 15745, 17860, 20368, 21440, 25192, 25460, 28576, 31490, 35720, 40736, 50384, 50920, 57152, 59831, 62980, 71440, 81472, 100768, 101840, 119662, 125960, 142880, 201536, 203680, 239324, 251920, 285760, 299155, 407360, 478648, 503840, 598310, 957296, 1007680, 1196620, 1914592, 2393240, 3829184, 4786480, 9572960, 19145920]

約数ペア:

[(1, 19145920), (2, 9572960), (4, 4786480), (5, 3829184), (8, 2393240), (10, 1914592), (16, 1196620), (19, 1007680), (20, 957296), (32, 598310), (38, 503840), (40, 478648), (47, 407360), (64, 299155), (67, 285760), (76, 251920), (80, 239324), (94, 203680), (95, 201536), (134, 142880), (152, 125960), (160, 119662), (188, 101840), (190, 100768), (235, 81472), (268, 71440), (304, 62980), (320, 59831), (335, 57152), (376, 50920), (380, 50384), (470, 40736), (536, 35720), (608, 31490), (670, 28576), (752, 25460), (760, 25192), (893, 21440), (940, 20368), (1072, 17860), (1216, 15745), (1273, 15040), (1340, 14288), (1504, 12730), (1520, 12596), (1786, 10720), (1880, 10184), (2144, 8930), (2546, 7520), (2680, 7144), (3008, 6365), (3040, 6298), (3149, 6080), (3572, 5360), (3760, 5092), (4288, 4465)]