19725780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{233}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 59439744

約数和(自身を除く): 39713964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 83, 85, 102, 166, 170, 204, 233, 249, 255, 332, 340, 415, 466, 498, 510, 699, 830, 932, 996, 1020, 1165, 1245, 1398, 1411, 1660, 2330, 2490, 2796, 2822, 3495, 3961, 4233, 4660, 4980, 5644, 6990, 7055, 7922, 8466, 11883, 13980, 14110, 15844, 16932, 19339, 19805, 21165, 23766, 28220, 38678, 39610, 42330, 47532, 58017, 59415, 77356, 79220, 84660, 96695, 116034, 118830, 193390, 232068, 237660, 290085, 328763, 386780, 580170, 657526, 986289, 1160340, 1315052, 1643815, 1972578, 3287630, 3945156, 4931445, 6575260, 9862890, 19725780]

約数ペア:

[(1, 19725780), (2, 9862890), (3, 6575260), (4, 4931445), (5, 3945156), (6, 3287630), (10, 1972578), (12, 1643815), (15, 1315052), (17, 1160340), (20, 986289), (30, 657526), (34, 580170), (51, 386780), (60, 328763), (68, 290085), (83, 237660), (85, 232068), (102, 193390), (166, 118830), (170, 116034), (204, 96695), (233, 84660), (249, 79220), (255, 77356), (332, 59415), (340, 58017), (415, 47532), (466, 42330), (498, 39610), (510, 38678), (699, 28220), (830, 23766), (932, 21165), (996, 19805), (1020, 19339), (1165, 16932), (1245, 15844), (1398, 14110), (1411, 13980), (1660, 11883), (2330, 8466), (2490, 7922), (2796, 7055), (2822, 6990), (3495, 5644), (3961, 4980), (4233, 4660)]