19166940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8191}}^1$

素因数の和:8219

約数の個数: 72

約数和(自身を含む): 62619648

約数和(自身を除く): 43452708

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, 8191, 16382, 24573, 32764, 40955, 49146, 73719, 81910, 98292, 106483, 122865, 147438, 163820, 212966, 245730, 294876, 319449, 368595, 425932, 491460, 532415, 638898, 737190, 958347, 1064830, 1277796, 1474380, 1597245, 1916694, 2129660, 3194490, 3833388, 4791735, 6388980, 9583470, 19166940]

約数ペア:

[(1, 19166940), (2, 9583470), (3, 6388980), (4, 4791735), (5, 3833388), (6, 3194490), (9, 2129660), (10, 1916694), (12, 1597245), (13, 1474380), (15, 1277796), (18, 1064830), (20, 958347), (26, 737190), (30, 638898), (36, 532415), (39, 491460), (45, 425932), (52, 368595), (60, 319449), (65, 294876), (78, 245730), (90, 212966), (117, 163820), (130, 147438), (156, 122865), (180, 106483), (195, 98292), (234, 81910), (260, 73719), (390, 49146), (468, 40955), (585, 32764), (780, 24573), (1170, 16382), (2340, 8191)]