19322238

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 43997184

約数和(自身を除く): 24674946

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 61, 62, 78, 93, 122, 131, 183, 186, 262, 366, 393, 403, 786, 793, 806, 1209, 1586, 1703, 1891, 2379, 2418, 3406, 3782, 4061, 4758, 5109, 5673, 7991, 8122, 10218, 11346, 12183, 15982, 23973, 24366, 24583, 47946, 49166, 52793, 73749, 103883, 105586, 147498, 158379, 207766, 247721, 311649, 316758, 495442, 623298, 743163, 1486326, 3220373, 6440746, 9661119, 19322238]

約数ペア:

[(1, 19322238), (2, 9661119), (3, 6440746), (6, 3220373), (13, 1486326), (26, 743163), (31, 623298), (39, 495442), (61, 316758), (62, 311649), (78, 247721), (93, 207766), (122, 158379), (131, 147498), (183, 105586), (186, 103883), (262, 73749), (366, 52793), (393, 49166), (403, 47946), (786, 24583), (793, 24366), (806, 23973), (1209, 15982), (1586, 12183), (1703, 11346), (1891, 10218), (2379, 8122), (2418, 7991), (3406, 5673), (3782, 5109), (4061, 4758)]