19688970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:160

約数の個数: 128

約数和(自身を含む): 57853440

約数和(自身を除く): 38164470

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 53, 58, 61, 70, 87, 105, 106, 122, 145, 159, 174, 183, 203, 210, 265, 290, 305, 318, 366, 371, 406, 427, 435, 530, 609, 610, 742, 795, 854, 870, 915, 1015, 1113, 1218, 1281, 1537, 1590, 1769, 1830, 1855, 2030, 2135, 2226, 2562, 3045, 3074, 3233, 3538, 3710, 4270, 4611, 5307, 5565, 6090, 6405, 6466, 7685, 8845, 9222, 9699, 10614, 10759, 11130, 12383, 12810, 15370, 16165, 17690, 19398, 21518, 22631, 23055, 24766, 26535, 32277, 32330, 37149, 45262, 46110, 48495, 53070, 53795, 61915, 64554, 67893, 74298, 93757, 96990, 107590, 113155, 123830, 135786, 161385, 185745, 187514, 226310, 281271, 322770, 339465, 371490, 468785, 562542, 656299, 678930, 937570, 1312598, 1406355, 1968897, 2812710, 3281495, 3937794, 6562990, 9844485, 19688970]

約数ペア:

[(1, 19688970), (2, 9844485), (3, 6562990), (5, 3937794), (6, 3281495), (7, 2812710), (10, 1968897), (14, 1406355), (15, 1312598), (21, 937570), (29, 678930), (30, 656299), (35, 562542), (42, 468785), (53, 371490), (58, 339465), (61, 322770), (70, 281271), (87, 226310), (105, 187514), (106, 185745), (122, 161385), (145, 135786), (159, 123830), (174, 113155), (183, 107590), (203, 96990), (210, 93757), (265, 74298), (290, 67893), (305, 64554), (318, 61915), (366, 53795), (371, 53070), (406, 48495), (427, 46110), (435, 45262), (530, 37149), (609, 32330), (610, 32277), (742, 26535), (795, 24766), (854, 23055), (870, 22631), (915, 21518), (1015, 19398), (1113, 17690), (1218, 16165), (1281, 15370), (1537, 12810), (1590, 12383), (1769, 11130), (1830, 10759), (1855, 10614), (2030, 9699), (2135, 9222), (2226, 8845), (2562, 7685), (3045, 6466), (3074, 6405), (3233, 6090), (3538, 5565), (3710, 5307), (4270, 4611)]