18381930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:324

約数の個数: 128

約数和(自身を含む): 56401920

約数和(自身を除く): 38019990

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 19, 21, 30, 34, 35, 38, 42, 51, 57, 70, 85, 95, 102, 105, 114, 119, 133, 170, 190, 210, 238, 255, 266, 271, 285, 323, 357, 399, 510, 542, 570, 595, 646, 665, 714, 798, 813, 969, 1190, 1330, 1355, 1615, 1626, 1785, 1897, 1938, 1995, 2261, 2710, 3230, 3570, 3794, 3990, 4065, 4522, 4607, 4845, 5149, 5691, 6783, 8130, 9214, 9485, 9690, 10298, 11305, 11382, 13566, 13821, 15447, 18970, 22610, 23035, 25745, 27642, 28455, 30894, 32249, 33915, 36043, 46070, 51490, 56910, 64498, 67830, 69105, 72086, 77235, 87533, 96747, 108129, 138210, 154470, 161245, 175066, 180215, 193494, 216258, 262599, 322490, 360430, 437665, 483735, 525198, 540645, 612731, 875330, 967470, 1081290, 1225462, 1312995, 1838193, 2625990, 3063655, 3676386, 6127310, 9190965, 18381930]

約数ペア:

[(1, 18381930), (2, 9190965), (3, 6127310), (5, 3676386), (6, 3063655), (7, 2625990), (10, 1838193), (14, 1312995), (15, 1225462), (17, 1081290), (19, 967470), (21, 875330), (30, 612731), (34, 540645), (35, 525198), (38, 483735), (42, 437665), (51, 360430), (57, 322490), (70, 262599), (85, 216258), (95, 193494), (102, 180215), (105, 175066), (114, 161245), (119, 154470), (133, 138210), (170, 108129), (190, 96747), (210, 87533), (238, 77235), (255, 72086), (266, 69105), (271, 67830), (285, 64498), (323, 56910), (357, 51490), (399, 46070), (510, 36043), (542, 33915), (570, 32249), (595, 30894), (646, 28455), (665, 27642), (714, 25745), (798, 23035), (813, 22610), (969, 18970), (1190, 15447), (1330, 13821), (1355, 13566), (1615, 11382), (1626, 11305), (1785, 10298), (1897, 9690), (1938, 9485), (1995, 9214), (2261, 8130), (2710, 6783), (3230, 5691), (3570, 5149), (3794, 4845), (3990, 4607), (4065, 4522)]