19138964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 37933056

約数和(自身を除く): 18794092

約数列:

[1, 2, 4, 13, 26, 41, 47, 52, 82, 94, 164, 188, 191, 382, 533, 611, 764, 1066, 1222, 1927, 2132, 2444, 2483, 3854, 4966, 7708, 7831, 8977, 9932, 15662, 17954, 25051, 31324, 35908, 50102, 100204, 101803, 116701, 203606, 233402, 368057, 407212, 466804, 736114, 1472228, 4784741, 9569482, 19138964]

約数ペア:

[(1, 19138964), (2, 9569482), (4, 4784741), (13, 1472228), (26, 736114), (41, 466804), (47, 407212), (52, 368057), (82, 233402), (94, 203606), (164, 116701), (188, 101803), (191, 100204), (382, 50102), (533, 35908), (611, 31324), (764, 25051), (1066, 17954), (1222, 15662), (1927, 9932), (2132, 8977), (2444, 7831), (2483, 7708), (3854, 4966)]