18788700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:436

約数の個数: 144

約数和(自身を含む): 64995840

約数和(自身を除く): 46207140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 25, 28, 30, 35, 42, 46, 50, 60, 69, 70, 75, 84, 92, 100, 105, 115, 138, 140, 150, 161, 175, 210, 230, 276, 300, 322, 345, 350, 389, 420, 460, 483, 525, 575, 644, 690, 700, 778, 805, 966, 1050, 1150, 1167, 1380, 1556, 1610, 1725, 1932, 1945, 2100, 2300, 2334, 2415, 2723, 3220, 3450, 3890, 4025, 4668, 4830, 5446, 5835, 6900, 7780, 8050, 8169, 8947, 9660, 9725, 10892, 11670, 12075, 13615, 16100, 16338, 17894, 19450, 23340, 24150, 26841, 27230, 29175, 32676, 35788, 38900, 40845, 44735, 48300, 53682, 54460, 58350, 62629, 68075, 81690, 89470, 107364, 116700, 125258, 134205, 136150, 163380, 178940, 187887, 204225, 223675, 250516, 268410, 272300, 313145, 375774, 408450, 447350, 536820, 626290, 671025, 751548, 816900, 894700, 939435, 1252580, 1342050, 1565725, 1878870, 2684100, 3131450, 3757740, 4697175, 6262900, 9394350, 18788700]

約数ペア:

[(1, 18788700), (2, 9394350), (3, 6262900), (4, 4697175), (5, 3757740), (6, 3131450), (7, 2684100), (10, 1878870), (12, 1565725), (14, 1342050), (15, 1252580), (20, 939435), (21, 894700), (23, 816900), (25, 751548), (28, 671025), (30, 626290), (35, 536820), (42, 447350), (46, 408450), (50, 375774), (60, 313145), (69, 272300), (70, 268410), (75, 250516), (84, 223675), (92, 204225), (100, 187887), (105, 178940), (115, 163380), (138, 136150), (140, 134205), (150, 125258), (161, 116700), (175, 107364), (210, 89470), (230, 81690), (276, 68075), (300, 62629), (322, 58350), (345, 54460), (350, 53682), (389, 48300), (420, 44735), (460, 40845), (483, 38900), (525, 35788), (575, 32676), (644, 29175), (690, 27230), (700, 26841), (778, 24150), (805, 23340), (966, 19450), (1050, 17894), (1150, 16338), (1167, 16100), (1380, 13615), (1556, 12075), (1610, 11670), (1725, 10892), (1932, 9725), (1945, 9660), (2100, 8947), (2300, 8169), (2334, 8050), (2415, 7780), (2723, 6900), (3220, 5835), (3450, 5446), (3890, 4830), (4025, 4668)]