19282740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 57335040

約数和(自身を除く): 38052300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 89, 92, 115, 138, 157, 178, 230, 267, 276, 314, 345, 356, 445, 460, 471, 534, 628, 690, 785, 890, 942, 1068, 1335, 1380, 1570, 1780, 1884, 2047, 2355, 2670, 3140, 3611, 4094, 4710, 5340, 6141, 7222, 8188, 9420, 10235, 10833, 12282, 13973, 14444, 18055, 20470, 21666, 24564, 27946, 30705, 36110, 40940, 41919, 43332, 54165, 55892, 61410, 69865, 72220, 83838, 108330, 122820, 139730, 167676, 209595, 216660, 279460, 321379, 419190, 642758, 838380, 964137, 1285516, 1606895, 1928274, 3213790, 3856548, 4820685, 6427580, 9641370, 19282740]

約数ペア:

[(1, 19282740), (2, 9641370), (3, 6427580), (4, 4820685), (5, 3856548), (6, 3213790), (10, 1928274), (12, 1606895), (15, 1285516), (20, 964137), (23, 838380), (30, 642758), (46, 419190), (60, 321379), (69, 279460), (89, 216660), (92, 209595), (115, 167676), (138, 139730), (157, 122820), (178, 108330), (230, 83838), (267, 72220), (276, 69865), (314, 61410), (345, 55892), (356, 54165), (445, 43332), (460, 41919), (471, 40940), (534, 36110), (628, 30705), (690, 27946), (785, 24564), (890, 21666), (942, 20470), (1068, 18055), (1335, 14444), (1380, 13973), (1570, 12282), (1780, 10833), (1884, 10235), (2047, 9420), (2355, 8188), (2670, 7222), (3140, 6141), (3611, 5340), (4094, 4710)]