18910008

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 56019600

約数和(自身を除く): 37109592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 89, 104, 117, 156, 178, 227, 234, 267, 312, 356, 454, 468, 534, 681, 712, 801, 908, 936, 1068, 1157, 1362, 1602, 1816, 2043, 2136, 2314, 2724, 2951, 3204, 3471, 4086, 4628, 5448, 5902, 6408, 6942, 8172, 8853, 9256, 10413, 11804, 13884, 16344, 17706, 20203, 20826, 23608, 26559, 27768, 35412, 40406, 41652, 53118, 60609, 70824, 80812, 83304, 106236, 121218, 161624, 181827, 212472, 242436, 262639, 363654, 484872, 525278, 727308, 787917, 1050556, 1454616, 1575834, 2101112, 2363751, 3151668, 4727502, 6303336, 9455004, 18910008]

約数ペア:

[(1, 18910008), (2, 9455004), (3, 6303336), (4, 4727502), (6, 3151668), (8, 2363751), (9, 2101112), (12, 1575834), (13, 1454616), (18, 1050556), (24, 787917), (26, 727308), (36, 525278), (39, 484872), (52, 363654), (72, 262639), (78, 242436), (89, 212472), (104, 181827), (117, 161624), (156, 121218), (178, 106236), (227, 83304), (234, 80812), (267, 70824), (312, 60609), (356, 53118), (454, 41652), (468, 40406), (534, 35412), (681, 27768), (712, 26559), (801, 23608), (908, 20826), (936, 20203), (1068, 17706), (1157, 16344), (1362, 13884), (1602, 11804), (1816, 10413), (2043, 9256), (2136, 8853), (2314, 8172), (2724, 6942), (2951, 6408), (3204, 5902), (3471, 5448), (4086, 4628)]