18074940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23173}}^1$

素因数の和:23198

約数の個数: 48

約数和(自身を含む): 54505248

約数和(自身を除く): 36430308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23173, 46346, 69519, 92692, 115865, 139038, 231730, 278076, 301249, 347595, 463460, 602498, 695190, 903747, 1204996, 1390380, 1506245, 1807494, 3012490, 3614988, 4518735, 6024980, 9037470, 18074940]

約数ペア:

[(1, 18074940), (2, 9037470), (3, 6024980), (4, 4518735), (5, 3614988), (6, 3012490), (10, 1807494), (12, 1506245), (13, 1390380), (15, 1204996), (20, 903747), (26, 695190), (30, 602498), (39, 463460), (52, 347595), (60, 301249), (65, 278076), (78, 231730), (130, 139038), (156, 115865), (195, 92692), (260, 69519), (390, 46346), (780, 23173)]