18377580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23561}}^1$

素因数の和:23586

約数の個数: 48

約数和(自身を含む): 55417824

約数和(自身を除く): 37040244

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, 23561, 47122, 70683, 94244, 117805, 141366, 235610, 282732, 306293, 353415, 471220, 612586, 706830, 918879, 1225172, 1413660, 1531465, 1837758, 3062930, 3675516, 4594395, 6125860, 9188790, 18377580]

約数ペア:

[(1, 18377580), (2, 9188790), (3, 6125860), (4, 4594395), (5, 3675516), (6, 3062930), (10, 1837758), (12, 1531465), (13, 1413660), (15, 1225172), (20, 918879), (26, 706830), (30, 612586), (39, 471220), (52, 353415), (60, 306293), (65, 282732), (78, 235610), (130, 141366), (156, 117805), (195, 94244), (260, 70683), (390, 47122), (780, 23561)]