19843356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{971}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 50295168

約数和(自身を除く): 30451812

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 131, 156, 262, 393, 524, 786, 971, 1572, 1703, 1942, 2913, 3406, 3884, 5109, 5826, 6812, 10218, 11652, 12623, 20436, 25246, 37869, 50492, 75738, 127201, 151476, 254402, 381603, 508804, 763206, 1526412, 1653613, 3307226, 4960839, 6614452, 9921678, 19843356]

約数ペア:

[(1, 19843356), (2, 9921678), (3, 6614452), (4, 4960839), (6, 3307226), (12, 1653613), (13, 1526412), (26, 763206), (39, 508804), (52, 381603), (78, 254402), (131, 151476), (156, 127201), (262, 75738), (393, 50492), (524, 37869), (786, 25246), (971, 20436), (1572, 12623), (1703, 11652), (1942, 10218), (2913, 6812), (3406, 5826), (3884, 5109)]