19280340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 62270208

約数和(自身を除く): 42989868

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 47, 53, 60, 86, 90, 94, 106, 129, 141, 159, 172, 180, 188, 212, 215, 235, 258, 265, 282, 318, 387, 423, 430, 470, 477, 516, 530, 564, 636, 645, 705, 774, 795, 846, 860, 940, 954, 1060, 1290, 1410, 1548, 1590, 1692, 1908, 1935, 2021, 2115, 2279, 2385, 2491, 2580, 2820, 3180, 3870, 4042, 4230, 4558, 4770, 4982, 6063, 6837, 7473, 7740, 8084, 8460, 9116, 9540, 9964, 10105, 11395, 12126, 12455, 13674, 14946, 18189, 20210, 20511, 22419, 22790, 24252, 24910, 27348, 29892, 30315, 34185, 36378, 37365, 40420, 41022, 44838, 45580, 49820, 60630, 68370, 72756, 74730, 82044, 89676, 90945, 102555, 107113, 112095, 121260, 136740, 149460, 181890, 205110, 214226, 224190, 321339, 363780, 410220, 428452, 448380, 535565, 642678, 964017, 1071130, 1285356, 1606695, 1928034, 2142260, 3213390, 3856068, 4820085, 6426780, 9640170, 19280340]

約数ペア:

[(1, 19280340), (2, 9640170), (3, 6426780), (4, 4820085), (5, 3856068), (6, 3213390), (9, 2142260), (10, 1928034), (12, 1606695), (15, 1285356), (18, 1071130), (20, 964017), (30, 642678), (36, 535565), (43, 448380), (45, 428452), (47, 410220), (53, 363780), (60, 321339), (86, 224190), (90, 214226), (94, 205110), (106, 181890), (129, 149460), (141, 136740), (159, 121260), (172, 112095), (180, 107113), (188, 102555), (212, 90945), (215, 89676), (235, 82044), (258, 74730), (265, 72756), (282, 68370), (318, 60630), (387, 49820), (423, 45580), (430, 44838), (470, 41022), (477, 40420), (516, 37365), (530, 36378), (564, 34185), (636, 30315), (645, 29892), (705, 27348), (774, 24910), (795, 24252), (846, 22790), (860, 22419), (940, 20511), (954, 20210), (1060, 18189), (1290, 14946), (1410, 13674), (1548, 12455), (1590, 12126), (1692, 11395), (1908, 10105), (1935, 9964), (2021, 9540), (2115, 9116), (2279, 8460), (2385, 8084), (2491, 7740), (2580, 7473), (2820, 6837), (3180, 6063), (3870, 4982), (4042, 4770), (4230, 4558)]