18435700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 43608320

約数和(自身を除く): 25172620

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 190, 310, 313, 380, 475, 589, 620, 626, 775, 950, 1178, 1252, 1550, 1565, 1900, 2356, 2945, 3100, 3130, 5890, 5947, 6260, 7825, 9703, 11780, 11894, 14725, 15650, 19406, 23788, 29450, 29735, 31300, 38812, 48515, 58900, 59470, 97030, 118940, 148675, 184357, 194060, 242575, 297350, 368714, 485150, 594700, 737428, 921785, 970300, 1843570, 3687140, 4608925, 9217850, 18435700]

約数ペア:

[(1, 18435700), (2, 9217850), (4, 4608925), (5, 3687140), (10, 1843570), (19, 970300), (20, 921785), (25, 737428), (31, 594700), (38, 485150), (50, 368714), (62, 297350), (76, 242575), (95, 194060), (100, 184357), (124, 148675), (155, 118940), (190, 97030), (310, 59470), (313, 58900), (380, 48515), (475, 38812), (589, 31300), (620, 29735), (626, 29450), (775, 23788), (950, 19406), (1178, 15650), (1252, 14725), (1550, 11894), (1565, 11780), (1900, 9703), (2356, 7825), (2945, 6260), (3100, 5947), (3130, 5890)]