19087875

素因数分解:

$3^2\times 5^3\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:106

約数の個数: 72

約数和(自身を含む): 37088064

約数和(自身を除く): 18000189

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 47, 57, 75, 95, 125, 141, 171, 225, 235, 285, 361, 375, 423, 475, 705, 855, 893, 1083, 1125, 1175, 1425, 1805, 2115, 2375, 2679, 3249, 3525, 4275, 4465, 5415, 5875, 7125, 8037, 9025, 10575, 13395, 16245, 16967, 17625, 21375, 22325, 27075, 40185, 45125, 50901, 52875, 66975, 81225, 84835, 111625, 135375, 152703, 200925, 254505, 334875, 406125, 424175, 763515, 1004625, 1272525, 2120875, 3817575, 6362625, 19087875]

約数ペア:

[(1, 19087875), (3, 6362625), (5, 3817575), (9, 2120875), (15, 1272525), (19, 1004625), (25, 763515), (45, 424175), (47, 406125), (57, 334875), (75, 254505), (95, 200925), (125, 152703), (141, 135375), (171, 111625), (225, 84835), (235, 81225), (285, 66975), (361, 52875), (375, 50901), (423, 45125), (475, 40185), (705, 27075), (855, 22325), (893, 21375), (1083, 17625), (1125, 16967), (1175, 16245), (1425, 13395), (1805, 10575), (2115, 9025), (2375, 8037), (2679, 7125), (3249, 5875), (3525, 5415), (4275, 4465)]