17996940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7691}}^1$

素因数の和:7719

約数の個数: 72

約数和(自身を含む): 58797648

約数和(自身を除く): 40800708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 7691, 15382, 23073, 30764, 38455, 46146, 69219, 76910, 92292, 99983, 115365, 138438, 153820, 199966, 230730, 276876, 299949, 346095, 399932, 461460, 499915, 599898, 692190, 899847, 999830, 1199796, 1384380, 1499745, 1799694, 1999660, 2999490, 3599388, 4499235, 5998980, 8998470, 17996940]

約数ペア:

[(1, 17996940), (2, 8998470), (3, 5998980), (4, 4499235), (5, 3599388), (6, 2999490), (9, 1999660), (10, 1799694), (12, 1499745), (13, 1384380), (15, 1199796), (18, 999830), (20, 899847), (26, 692190), (30, 599898), (36, 499915), (39, 461460), (45, 399932), (52, 346095), (60, 299949), (65, 276876), (78, 230730), (90, 199966), (117, 153820), (130, 138438), (156, 115365), (180, 99983), (195, 92292), (234, 76910), (260, 69219), (390, 46146), (468, 38455), (585, 30764), (780, 23073), (1170, 15382), (2340, 7691)]