19156911800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{82787}}^1$

素因数の和:82905

約数の個数: 96

約数和(自身を含む): 48505489200

約数和(自身を除く): 29348577400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 89, 100, 104, 130, 178, 200, 260, 325, 356, 445, 520, 650, 712, 890, 1157, 1300, 1780, 2225, 2314, 2600, 3560, 4450, 4628, 5785, 8900, 9256, 11570, 17800, 23140, 28925, 46280, 57850, 82787, 115700, 165574, 231400, 331148, 413935, 662296, 827870, 1076231, 1655740, 2069675, 2152462, 3311480, 4139350, 4304924, 5381155, 7368043, 8278700, 8609848, 10762310, 14736086, 16557400, 21524620, 26905775, 29472172, 36840215, 43049240, 53811550, 58944344, 73680430, 95784559, 107623100, 147360860, 184201075, 191569118, 215246200, 294721720, 368402150, 383138236, 478922795, 736804300, 766276472, 957845590, 1473608600, 1915691180, 2394613975, 3831382360, 4789227950, 9578455900, 19156911800]

約数ペア:

[(1, 19156911800), (2, 9578455900), (4, 4789227950), (5, 3831382360), (8, 2394613975), (10, 1915691180), (13, 1473608600), (20, 957845590), (25, 766276472), (26, 736804300), (40, 478922795), (50, 383138236), (52, 368402150), (65, 294721720), (89, 215246200), (100, 191569118), (104, 184201075), (130, 147360860), (178, 107623100), (200, 95784559), (260, 73680430), (325, 58944344), (356, 53811550), (445, 43049240), (520, 36840215), (650, 29472172), (712, 26905775), (890, 21524620), (1157, 16557400), (1300, 14736086), (1780, 10762310), (2225, 8609848), (2314, 8278700), (2600, 7368043), (3560, 5381155), (4450, 4304924), (4628, 4139350), (5785, 3311480), (8900, 2152462), (9256, 2069675), (11570, 1655740), (17800, 1076231), (23140, 827870), (28925, 662296), (46280, 413935), (57850, 331148), (82787, 231400), (115700, 165574)]