18643674

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 45711360

約数和(自身を除く): 27067686

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 61, 114, 122, 133, 183, 266, 366, 383, 399, 427, 766, 798, 854, 1149, 1159, 1281, 2298, 2318, 2562, 2681, 3477, 5362, 6954, 7277, 8043, 8113, 14554, 16086, 16226, 21831, 23363, 24339, 43662, 46726, 48678, 50939, 70089, 101878, 140178, 152817, 163541, 305634, 327082, 443897, 490623, 887794, 981246, 1331691, 2663382, 3107279, 6214558, 9321837, 18643674]

約数ペア:

[(1, 18643674), (2, 9321837), (3, 6214558), (6, 3107279), (7, 2663382), (14, 1331691), (19, 981246), (21, 887794), (38, 490623), (42, 443897), (57, 327082), (61, 305634), (114, 163541), (122, 152817), (133, 140178), (183, 101878), (266, 70089), (366, 50939), (383, 48678), (399, 46726), (427, 43662), (766, 24339), (798, 23363), (854, 21831), (1149, 16226), (1159, 16086), (1281, 14554), (2298, 8113), (2318, 8043), (2562, 7277), (2681, 6954), (3477, 5362)]