18623560

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 45204480

約数和(自身を除く): 26580920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 653, 713, 920, 1240, 1306, 1426, 2612, 2852, 3265, 3565, 5224, 5704, 6530, 7130, 13060, 14260, 15019, 20243, 26120, 28520, 30038, 40486, 60076, 75095, 80972, 101215, 120152, 150190, 161944, 202430, 300380, 404860, 465589, 600760, 809720, 931178, 1862356, 2327945, 3724712, 4655890, 9311780, 18623560]

約数ペア:

[(1, 18623560), (2, 9311780), (4, 4655890), (5, 3724712), (8, 2327945), (10, 1862356), (20, 931178), (23, 809720), (31, 600760), (40, 465589), (46, 404860), (62, 300380), (92, 202430), (115, 161944), (124, 150190), (155, 120152), (184, 101215), (230, 80972), (248, 75095), (310, 60076), (460, 40486), (620, 30038), (653, 28520), (713, 26120), (920, 20243), (1240, 15019), (1306, 14260), (1426, 13060), (2612, 7130), (2852, 6530), (3265, 5704), (3565, 5224)]