19503030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 49195008

約数和(自身を除く): 29691978

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 67, 93, 134, 155, 186, 201, 310, 313, 335, 402, 465, 626, 670, 930, 939, 1005, 1565, 1878, 2010, 2077, 3130, 4154, 4695, 6231, 9390, 9703, 10385, 12462, 19406, 20770, 20971, 29109, 31155, 41942, 48515, 58218, 62310, 62913, 97030, 104855, 125826, 145545, 209710, 291090, 314565, 629130, 650101, 1300202, 1950303, 3250505, 3900606, 6501010, 9751515, 19503030]

約数ペア:

[(1, 19503030), (2, 9751515), (3, 6501010), (5, 3900606), (6, 3250505), (10, 1950303), (15, 1300202), (30, 650101), (31, 629130), (62, 314565), (67, 291090), (93, 209710), (134, 145545), (155, 125826), (186, 104855), (201, 97030), (310, 62913), (313, 62310), (335, 58218), (402, 48515), (465, 41942), (626, 31155), (670, 29109), (930, 20971), (939, 20770), (1005, 19406), (1565, 12462), (1878, 10385), (2010, 9703), (2077, 9390), (3130, 6231), (4154, 4695)]