19475950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1$

素因数の和:146

約数の個数: 72

約数和(自身を含む): 41669208

約数和(自身を除く): 22193258

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 83, 95, 130, 166, 190, 247, 325, 361, 415, 475, 494, 650, 722, 830, 950, 1079, 1235, 1577, 1805, 2075, 2158, 2470, 3154, 3610, 4150, 4693, 5395, 6175, 7885, 9025, 9386, 10790, 12350, 15770, 18050, 20501, 23465, 26975, 29963, 39425, 41002, 46930, 53950, 59926, 78850, 102505, 117325, 149815, 205010, 234650, 299630, 389519, 512525, 749075, 779038, 1025050, 1498150, 1947595, 3895190, 9737975, 19475950]

約数ペア:

[(1, 19475950), (2, 9737975), (5, 3895190), (10, 1947595), (13, 1498150), (19, 1025050), (25, 779038), (26, 749075), (38, 512525), (50, 389519), (65, 299630), (83, 234650), (95, 205010), (130, 149815), (166, 117325), (190, 102505), (247, 78850), (325, 59926), (361, 53950), (415, 46930), (475, 41002), (494, 39425), (650, 29963), (722, 26975), (830, 23465), (950, 20501), (1079, 18050), (1235, 15770), (1577, 12350), (1805, 10790), (2075, 9386), (2158, 9025), (2470, 7885), (3154, 6175), (3610, 5395), (4150, 4693)]