19921681624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{269}}^1\times {\mathrm{3137}}^1$

素因数の和:3652

約数の個数: 64

約数和(自身を含む): 40566808800

約数和(自身を除く): 20645127176

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 227, 269, 454, 538, 908, 1076, 1816, 2152, 2951, 3137, 3497, 5902, 6274, 6994, 11804, 12548, 13988, 23608, 25096, 27976, 40781, 61063, 81562, 122126, 163124, 244252, 326248, 488504, 712099, 793819, 843853, 1424198, 1587638, 1687706, 2848396, 3175276, 3375412, 5696792, 6350552, 6750824, 9257287, 10970089, 18514574, 21940178, 37029148, 43880356, 74058296, 87760712, 191554631, 383109262, 766218524, 1532437048, 2490210203, 4980420406, 9960840812, 19921681624]

約数ペア:

[(1, 19921681624), (2, 9960840812), (4, 4980420406), (8, 2490210203), (13, 1532437048), (26, 766218524), (52, 383109262), (104, 191554631), (227, 87760712), (269, 74058296), (454, 43880356), (538, 37029148), (908, 21940178), (1076, 18514574), (1816, 10970089), (2152, 9257287), (2951, 6750824), (3137, 6350552), (3497, 5696792), (5902, 3375412), (6274, 3175276), (6994, 2848396), (11804, 1687706), (12548, 1587638), (13988, 1424198), (23608, 843853), (25096, 793819), (27976, 712099), (40781, 488504), (61063, 326248), (81562, 244252), (122126, 163124)]