18932220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1$

素因数の和:324

約数の個数: 144

約数和(自身を含む): 63685440

約数和(自身を除く): 44753220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 30, 34, 36, 45, 46, 51, 60, 68, 69, 85, 90, 92, 102, 115, 138, 153, 170, 180, 204, 207, 230, 255, 269, 276, 306, 340, 345, 391, 414, 460, 510, 538, 612, 690, 765, 782, 807, 828, 1020, 1035, 1076, 1173, 1345, 1380, 1530, 1564, 1614, 1955, 2070, 2346, 2421, 2690, 3060, 3228, 3519, 3910, 4035, 4140, 4573, 4692, 4842, 5380, 5865, 6187, 7038, 7820, 8070, 9146, 9684, 11730, 12105, 12374, 13719, 14076, 16140, 17595, 18292, 18561, 22865, 23460, 24210, 24748, 27438, 30935, 35190, 37122, 41157, 45730, 48420, 54876, 55683, 61870, 68595, 70380, 74244, 82314, 91460, 92805, 105179, 111366, 123740, 137190, 164628, 185610, 205785, 210358, 222732, 274380, 278415, 315537, 371220, 411570, 420716, 525895, 556830, 631074, 823140, 946611, 1051790, 1113660, 1262148, 1577685, 1893222, 2103580, 3155370, 3786444, 4733055, 6310740, 9466110, 18932220]

約数ペア:

[(1, 18932220), (2, 9466110), (3, 6310740), (4, 4733055), (5, 3786444), (6, 3155370), (9, 2103580), (10, 1893222), (12, 1577685), (15, 1262148), (17, 1113660), (18, 1051790), (20, 946611), (23, 823140), (30, 631074), (34, 556830), (36, 525895), (45, 420716), (46, 411570), (51, 371220), (60, 315537), (68, 278415), (69, 274380), (85, 222732), (90, 210358), (92, 205785), (102, 185610), (115, 164628), (138, 137190), (153, 123740), (170, 111366), (180, 105179), (204, 92805), (207, 91460), (230, 82314), (255, 74244), (269, 70380), (276, 68595), (306, 61870), (340, 55683), (345, 54876), (391, 48420), (414, 45730), (460, 41157), (510, 37122), (538, 35190), (612, 30935), (690, 27438), (765, 24748), (782, 24210), (807, 23460), (828, 22865), (1020, 18561), (1035, 18292), (1076, 17595), (1173, 16140), (1345, 14076), (1380, 13719), (1530, 12374), (1564, 12105), (1614, 11730), (1955, 9684), (2070, 9146), (2346, 8070), (2421, 7820), (2690, 7038), (3060, 6187), (3228, 5865), (3519, 5380), (3910, 4842), (4035, 4692), (4140, 4573)]