19561950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1499}}^1$

素因数の和:1546

約数の個数: 72

約数和(自身を含む): 54405000

約数和(自身を除く): 34843050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 29, 30, 45, 50, 58, 75, 87, 90, 145, 150, 174, 225, 261, 290, 435, 450, 522, 725, 870, 1305, 1450, 1499, 2175, 2610, 2998, 4350, 4497, 6525, 7495, 8994, 13050, 13491, 14990, 22485, 26982, 37475, 43471, 44970, 67455, 74950, 86942, 112425, 130413, 134910, 217355, 224850, 260826, 337275, 391239, 434710, 652065, 674550, 782478, 1086775, 1304130, 1956195, 2173550, 3260325, 3912390, 6520650, 9780975, 19561950]

約数ペア:

[(1, 19561950), (2, 9780975), (3, 6520650), (5, 3912390), (6, 3260325), (9, 2173550), (10, 1956195), (15, 1304130), (18, 1086775), (25, 782478), (29, 674550), (30, 652065), (45, 434710), (50, 391239), (58, 337275), (75, 260826), (87, 224850), (90, 217355), (145, 134910), (150, 130413), (174, 112425), (225, 86942), (261, 74950), (290, 67455), (435, 44970), (450, 43471), (522, 37475), (725, 26982), (870, 22485), (1305, 14990), (1450, 13491), (1499, 13050), (2175, 8994), (2610, 7495), (2998, 6525), (4350, 4497)]