22491820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 55742400

約数和(自身を除く): 33250580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 29, 38, 52, 58, 65, 76, 95, 116, 130, 145, 157, 190, 247, 260, 290, 314, 377, 380, 494, 551, 580, 628, 754, 785, 988, 1102, 1235, 1508, 1570, 1885, 2041, 2204, 2470, 2755, 2983, 3140, 3770, 4082, 4553, 4940, 5510, 5966, 7163, 7540, 8164, 9106, 10205, 11020, 11932, 14326, 14915, 18212, 20410, 22765, 28652, 29830, 35815, 38779, 40820, 45530, 59189, 59660, 71630, 77558, 86507, 91060, 118378, 143260, 155116, 173014, 193895, 236756, 295945, 346028, 387790, 432535, 591890, 775580, 865070, 1124591, 1183780, 1730140, 2249182, 4498364, 5622955, 11245910, 22491820]

約数ペア:

[(1, 22491820), (2, 11245910), (4, 5622955), (5, 4498364), (10, 2249182), (13, 1730140), (19, 1183780), (20, 1124591), (26, 865070), (29, 775580), (38, 591890), (52, 432535), (58, 387790), (65, 346028), (76, 295945), (95, 236756), (116, 193895), (130, 173014), (145, 155116), (157, 143260), (190, 118378), (247, 91060), (260, 86507), (290, 77558), (314, 71630), (377, 59660), (380, 59189), (494, 45530), (551, 40820), (580, 38779), (628, 35815), (754, 29830), (785, 28652), (988, 22765), (1102, 20410), (1235, 18212), (1508, 14915), (1570, 14326), (1885, 11932), (2041, 11020), (2204, 10205), (2470, 9106), (2755, 8164), (2983, 7540), (3140, 7163), (3770, 5966), (4082, 5510), (4553, 4940)]