1888890985

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 2520232704

約数和(自身を除く): 631341719

約数列:

[1, 5, 19, 23, 95, 115, 173, 263, 361, 437, 865, 1315, 1805, 2185, 3287, 3979, 4997, 6049, 8303, 16435, 19895, 24985, 30245, 41515, 45499, 62453, 75601, 94943, 114931, 227495, 312265, 378005, 474715, 574655, 864481, 1046477, 1436419, 2183689, 4322405, 5232385, 7182095, 10918445, 16425139, 19883063, 82125695, 99415315, 377778197, 1888890985]

約数ペア:

[(1, 1888890985), (5, 377778197), (19, 99415315), (23, 82125695), (95, 19883063), (115, 16425139), (173, 10918445), (263, 7182095), (361, 5232385), (437, 4322405), (865, 2183689), (1315, 1436419), (1805, 1046477), (2185, 864481), (3287, 574655), (3979, 474715), (4997, 378005), (6049, 312265), (8303, 227495), (16435, 114931), (19895, 94943), (24985, 75601), (30245, 62453), (41515, 45499)]