18272300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 42705600

約数和(自身を除く): 24433300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 59, 76, 95, 100, 118, 163, 190, 236, 295, 326, 380, 475, 590, 652, 815, 950, 1121, 1180, 1475, 1630, 1900, 2242, 2950, 3097, 3260, 4075, 4484, 5605, 5900, 6194, 8150, 9617, 11210, 12388, 15485, 16300, 19234, 22420, 28025, 30970, 38468, 48085, 56050, 61940, 77425, 96170, 112100, 154850, 182723, 192340, 240425, 309700, 365446, 480850, 730892, 913615, 961700, 1827230, 3654460, 4568075, 9136150, 18272300]

約数ペア:

[(1, 18272300), (2, 9136150), (4, 4568075), (5, 3654460), (10, 1827230), (19, 961700), (20, 913615), (25, 730892), (38, 480850), (50, 365446), (59, 309700), (76, 240425), (95, 192340), (100, 182723), (118, 154850), (163, 112100), (190, 96170), (236, 77425), (295, 61940), (326, 56050), (380, 48085), (475, 38468), (590, 30970), (652, 28025), (815, 22420), (950, 19234), (1121, 16300), (1180, 15485), (1475, 12388), (1630, 11210), (1900, 9617), (2242, 8150), (2950, 6194), (3097, 5900), (3260, 5605), (4075, 4484)]