19725116

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 18377284

約数列:

[1, 2, 4, 19, 38, 53, 59, 76, 83, 106, 118, 166, 212, 236, 332, 1007, 1121, 1577, 2014, 2242, 3127, 3154, 4028, 4399, 4484, 4897, 6254, 6308, 8798, 9794, 12508, 17596, 19588, 59413, 83581, 93043, 118826, 167162, 186086, 237652, 259541, 334324, 372172, 519082, 1038164, 4931279, 9862558, 19725116]

約数ペア:

[(1, 19725116), (2, 9862558), (4, 4931279), (19, 1038164), (38, 519082), (53, 372172), (59, 334324), (76, 259541), (83, 237652), (106, 186086), (118, 167162), (166, 118826), (212, 93043), (236, 83581), (332, 59413), (1007, 19588), (1121, 17596), (1577, 12508), (2014, 9794), (2242, 8798), (3127, 6308), (3154, 6254), (4028, 4897), (4399, 4484)]