19951308

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:591

約数の個数: 72

約数和(自身を含む): 55036800

約数和(自身を除く): 35085492

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 89, 117, 156, 178, 234, 267, 356, 468, 479, 534, 801, 958, 1068, 1157, 1437, 1602, 1916, 2314, 2874, 3204, 3471, 4311, 4628, 5748, 6227, 6942, 8622, 10413, 12454, 13884, 17244, 18681, 20826, 24908, 37362, 41652, 42631, 56043, 74724, 85262, 112086, 127893, 170524, 224172, 255786, 383679, 511572, 554203, 767358, 1108406, 1534716, 1662609, 2216812, 3325218, 4987827, 6650436, 9975654, 19951308]

約数ペア:

[(1, 19951308), (2, 9975654), (3, 6650436), (4, 4987827), (6, 3325218), (9, 2216812), (12, 1662609), (13, 1534716), (18, 1108406), (26, 767358), (36, 554203), (39, 511572), (52, 383679), (78, 255786), (89, 224172), (117, 170524), (156, 127893), (178, 112086), (234, 85262), (267, 74724), (356, 56043), (468, 42631), (479, 41652), (534, 37362), (801, 24908), (958, 20826), (1068, 18681), (1157, 17244), (1437, 13884), (1602, 12454), (1916, 10413), (2314, 8622), (2874, 6942), (3204, 6227), (3471, 5748), (4311, 4628)]