18993030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{607}}^1$

素因数の和:773

約数の個数: 64

約数和(自身を含む): 52531200

約数和(自身を除く): 33538170

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 149, 210, 298, 447, 607, 745, 894, 1043, 1214, 1490, 1821, 2086, 2235, 3035, 3129, 3642, 4249, 4470, 5215, 6070, 6258, 8498, 9105, 10430, 12747, 15645, 18210, 21245, 25494, 31290, 42490, 63735, 90443, 127470, 180886, 271329, 452215, 542658, 633101, 904430, 1266202, 1356645, 1899303, 2713290, 3165505, 3798606, 6331010, 9496515, 18993030]

約数ペア:

[(1, 18993030), (2, 9496515), (3, 6331010), (5, 3798606), (6, 3165505), (7, 2713290), (10, 1899303), (14, 1356645), (15, 1266202), (21, 904430), (30, 633101), (35, 542658), (42, 452215), (70, 271329), (105, 180886), (149, 127470), (210, 90443), (298, 63735), (447, 42490), (607, 31290), (745, 25494), (894, 21245), (1043, 18210), (1214, 15645), (1490, 12747), (1821, 10430), (2086, 9105), (2235, 8498), (3035, 6258), (3129, 6070), (3642, 5215), (4249, 4470)]