19739850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 53996544

約数和(自身を除く): 34256694

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 53, 65, 75, 78, 106, 130, 150, 159, 191, 195, 265, 318, 325, 382, 390, 530, 573, 650, 689, 795, 955, 975, 1146, 1325, 1378, 1590, 1910, 1950, 2067, 2483, 2650, 2865, 3445, 3975, 4134, 4775, 4966, 5730, 6890, 7449, 7950, 9550, 10123, 10335, 12415, 14325, 14898, 17225, 20246, 20670, 24830, 28650, 30369, 34450, 37245, 50615, 51675, 60738, 62075, 74490, 101230, 103350, 124150, 131599, 151845, 186225, 253075, 263198, 303690, 372450, 394797, 506150, 657995, 759225, 789594, 1315990, 1518450, 1973985, 3289975, 3947970, 6579950, 9869925, 19739850]

約数ペア:

[(1, 19739850), (2, 9869925), (3, 6579950), (5, 3947970), (6, 3289975), (10, 1973985), (13, 1518450), (15, 1315990), (25, 789594), (26, 759225), (30, 657995), (39, 506150), (50, 394797), (53, 372450), (65, 303690), (75, 263198), (78, 253075), (106, 186225), (130, 151845), (150, 131599), (159, 124150), (191, 103350), (195, 101230), (265, 74490), (318, 62075), (325, 60738), (382, 51675), (390, 50615), (530, 37245), (573, 34450), (650, 30369), (689, 28650), (795, 24830), (955, 20670), (975, 20246), (1146, 17225), (1325, 14898), (1378, 14325), (1590, 12415), (1910, 10335), (1950, 10123), (2067, 9550), (2483, 7950), (2650, 7449), (2865, 6890), (3445, 5730), (3975, 4966), (4134, 4775)]