18862300

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 43747200

約数和(自身を除く): 24884900

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 59, 92, 100, 115, 118, 139, 230, 236, 278, 295, 460, 556, 575, 590, 695, 1150, 1180, 1357, 1390, 1475, 2300, 2714, 2780, 2950, 3197, 3475, 5428, 5900, 6394, 6785, 6950, 8201, 12788, 13570, 13900, 15985, 16402, 27140, 31970, 32804, 33925, 41005, 63940, 67850, 79925, 82010, 135700, 159850, 164020, 188623, 205025, 319700, 377246, 410050, 754492, 820100, 943115, 1886230, 3772460, 4715575, 9431150, 18862300]

約数ペア:

[(1, 18862300), (2, 9431150), (4, 4715575), (5, 3772460), (10, 1886230), (20, 943115), (23, 820100), (25, 754492), (46, 410050), (50, 377246), (59, 319700), (92, 205025), (100, 188623), (115, 164020), (118, 159850), (139, 135700), (230, 82010), (236, 79925), (278, 67850), (295, 63940), (460, 41005), (556, 33925), (575, 32804), (590, 31970), (695, 27140), (1150, 16402), (1180, 15985), (1357, 13900), (1390, 13570), (1475, 12788), (2300, 8201), (2714, 6950), (2780, 6785), (2950, 6394), (3197, 5900), (3475, 5428)]