19360280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 46889280

約数和(自身を除く): 27529000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 170, 284, 340, 355, 401, 568, 680, 710, 802, 1207, 1420, 1604, 2005, 2414, 2840, 3208, 4010, 4828, 6035, 6817, 8020, 9656, 12070, 13634, 16040, 24140, 27268, 28471, 34085, 48280, 54536, 56942, 68170, 113884, 136340, 142355, 227768, 272680, 284710, 484007, 569420, 968014, 1138840, 1936028, 2420035, 3872056, 4840070, 9680140, 19360280]

約数ペア:

[(1, 19360280), (2, 9680140), (4, 4840070), (5, 3872056), (8, 2420035), (10, 1936028), (17, 1138840), (20, 968014), (34, 569420), (40, 484007), (68, 284710), (71, 272680), (85, 227768), (136, 142355), (142, 136340), (170, 113884), (284, 68170), (340, 56942), (355, 54536), (401, 48280), (568, 34085), (680, 28471), (710, 27268), (802, 24140), (1207, 16040), (1420, 13634), (1604, 12070), (2005, 9656), (2414, 8020), (2840, 6817), (3208, 6035), (4010, 4828)]